Nana Banana
Rich Walker, the director of Shadow Robot, the innovative firm behind these creations, dismisses the notion of building a "Terminator." With his distinctive long hair, beard, and spectacles, Walker presents a figure more akin to a visionary philosopher than a stereotypical tech entrepreneur. He speaks with evident pride as he showcases his firm’s work, articulating a vision far grander than mere mechanical novelty. "We set out to build the robot that helps you, that makes your life better, your general-purpose servant that can do anything around the home, do all the housework…" But beneath this practical ambition lies a profounder goal: to confront the escalating social care crisis plaguing the UK and many other developed nations.
The statistics paint a stark picture: last year, a report by Skills for Care highlighted a staggering 131,000 vacancies for adult care workers in England. Concurrently, Age UK estimates that approximately two million people aged 65 and over in England are living with unmet care needs. Projections suggest that by 2050, one in four people in the UK will be 65 or older, a demographic shift poised to place unprecedented strain on an already fragile care system. It is into this chasm that robots are being positioned as a potential solution.
The previous UK government, recognizing the urgency, invested £34m in the development of care robots. In 2019, it boldly predicted that "within the next 20 years, autonomous systems like… robots will become a normal part of our lives, transforming the way we live, work and travel." This "techno-solutionism," a term that evokes cinematic sci-fi futures, prompts a critical inquiry: can these advanced machines genuinely resolve such a deeply human challenge? And, more importantly, can individuals truly entrust their most vulnerable elderly relatives, or indeed themselves, to the care of what is fundamentally a powerful machine?
Japan offers an intriguing glimpse into a future where robots are integrated into daily life, particularly within elder care. A decade ago, the Japanese government initiated subsidies for robot manufacturers, aiming to accelerate the development and adoption of care robots in response to its own rapidly aging population and a persistent shortage of care staff. Dr. James Wright, an AI specialist and visiting professor at Queen Mary University of London, embarked on a seven-month study to observe these robots in action within a Japanese care home environment.
His research focused on three distinct types of robots. The first, HUG, developed by Fuji Corporation, resembled a highly sophisticated walking frame. Equipped with ergonomic support pads, HUG was designed to assist carers in the physically demanding task of lifting residents from beds to wheelchairs or toilets, aiming to reduce strain and injury. The second robot, Paro, took the form of a lifelike baby seal. This therapeutic robot was engineered to stimulate dementia patients, responding to touch with realistic movements and sounds, intended to evoke comfort and interaction. Finally, Pepper, a small, friendly-looking humanoid robot, was deployed to lead exercise classes, providing instructions and demonstrating movements with its articulated arms.
Initially, Dr. Wright admitted to having a degree of optimism, influenced by the prevailing hype. "I was expecting that the robots would be easily adopted by care workers who were massively overstretched and extremely busy in their work," he recalled. "What I found was, almost the opposite." His observations revealed significant practical hurdles. Far from freeing up time, the robots often became an additional burden for staff. The biggest drains on care workers’ time proved to be the mundane tasks of cleaning and recharging the robots, and crucially, troubleshooting when technical glitches occurred.
"After several weeks the care workers decided the robots were more trouble than they were worth and used them less and less, because they were too busy to use them," Dr. Wright explained. Specific issues highlighted included HUG’s unwieldy size, requiring constant repositioning to avoid obstructing residents. Paro, while generally well-received, caused distress to one resident who developed an excessive attachment, leading to emotional upset when the robot was unavailable. Pepper, despite its friendly appearance, presented challenges during exercise routines due to its short stature, making it difficult for residents to follow its movements, and its high-pitched voice was often difficult for elderly residents to hear clearly.
The developers of these robots have, in subsequent years, addressed some of these early shortcomings. HUG’s design has been refined for greater compactness and user-friendliness. Takanori Shibata, Paro’s creator, highlighted its two decades of use and pointed to clinical trials demonstrating its therapeutic effects. Pepper’s ownership has changed, and its software has undergone substantial updates. Nevertheless, Dr. Wright’s study underscored a critical lesson: the gap between laboratory innovation and real-world application, particularly in sensitive care environments, remains significant.
Despite these early setbacks, Rich Walker of Shadow Robot remains convinced of the potential for robots in care. He argues that the next generation of robots, learning from these initial trials, will be far more capable and integrated. This sentiment is echoed by Professor Praminda Caleb-Solly of the University of Nottingham, who is actively working to bridge this gap. "We are trying to get these robots out of the labs into the real world," she asserts. Through her network, Emergence, she connects robot manufacturers with businesses and individuals, crucially engaging elderly people directly to understand their needs and desires for robotic assistance.
Feedback from potential users has been invaluable. Many express a preference for robots with intuitive voice interaction and a non-threatening, perhaps even "cute," appearance. However, the most consistent requests revolve around practical functionality: robots that can adapt to changing needs and, perhaps most tellingly, robots that are self-charging and self-cleaning. As one person pithily put it, "We don’t want to look after the robot – we want the robot to look after us."
In the UK, home care provider Caremark is piloting Genie, a small, voice-activated robot, with clients in Cheltenham. Anecdotes from these trials offer a mixed but promising picture. One man with early-onset dementia found great joy in simply asking Genie to play Glenn Miller songs, highlighting the robot’s potential for companionship and entertainment. Michael Folkes, Caremark’s director, describes reactions as "like Marmite," with some wholeheartedly embracing Genie while others remain skeptical. Crucially, Folkes emphasizes that these devices are not intended to replace human carers. "We’re trying to build a future where carers have more time to care," he states, envisioning robots handling routine tasks, allowing human caregivers to focus on more complex and personal aspects of care.
Back in the Shadow Robot Company’s London laboratory, Rich Walker points to another formidable challenge: perfecting the robotic hand. "For the robot to be useful, it needs to have the same ability to interact with the world as [a] human does," he explains. "And for that it needs human-like dexterity." The robot hand he demonstrates is a marvel of engineering: crafted from metal and plastic, it boasts 100 sensors and possesses the dexterity and strength of a human hand. Each finger articulates smoothly, quickly, and precisely to meet the thumb, culminating in an ‘OK’ gesture. It can even solve a Rubik’s Cube with one hand, a testament to its intricate programming.
Yet, as Walker admits, it remains a considerable distance from mastering the nuanced, delicate tasks that humans perform effortlessly, such as using a pair of scissors or handling small, fragile objects. "The way we use a pair of scissors is quite mind-blowing when you think about it," he muses. "If you try and analyse what happens, you’re using your sense of touch in subtle and precise ways and receiving feedback, which makes you adjust the way you cut. How do you tell a robot how to do that?"
Walker’s team, in collaboration with 26 other engineering firms, is part of the Robot Dexterity Programme, a project funded by the Advanced Research and Invention Agency (ARIA). ARIA is a government agency dedicated to supporting high-risk, high-reward scientific research with the potential to transform society. Professor Jenny Read, the project’s leader, reveals that they are drawing inspiration from animal movement to inform not only hand design but a complete rethinking of robotic construction. "One of the very striking things about animal bodies is their grace and efficiency, evolution has ensured that, in fact," she observes. "I think gracefulness really is a form of efficiency."
Adding another layer to this quest for human-like capability, Guggi Kofod, a Danish engineer and entrepreneur, is developing artificial muscles for robots, seeking to replace traditional motors. His Denmark-based firm, Pliantics, is in the early stages but has achieved a crucial breakthrough in identifying a durable material that mimics muscle contraction and extension when an electric current is applied. Kofod’s motivation is deeply personal: "Several people near me died from dementia very recently," he shares. "I see from the people who are caring for dementia patients, and it is very challenging. So, if we could build systems that help them to not be scared, and that help them live at least a decent level of life… That’s incredibly motivating for me." Pliantics is collaborating with Shadow Robot on the ARIA project, aiming to create a human-sized robotic hand powered by these artificial muscles, granting it a more precise and delicate grip, capable of detecting minute pressure changes and knowing when to cease squeezing, much like human fingertips.
However, Dr. Wright, the observer of the Japanese care homes, raises a crucial final concern: the potential for robots to inadvertently worsen conditions for human carers if not implemented thoughtfully. He argues that the economic imperative to make robots viable might lead to undesirable outcomes. "The only way that economically you can make this work is to pay the care workers less and have much larger care homes, which are standardised to make it easy for robots to operate in," he contends. "As a result, there would be more robots taking care of people, with care workers being paid a minimum wage to service the robots, which is the opposite of this vision that robots are going to give time back to care workers to spend quality time with residents, to talk."
Other experts maintain a more optimistic perspective. Gopal Ramchurn, a professor of artificial intelligence at the University of Southampton and CEO of Responsible AI, believes that "it’s going to be a huge industry, given the deficit we have in the workforce right now. The demand for carers as our population ages will be huge." Responsible AI is dedicated to ensuring the safety, reliability, and trustworthiness of AI systems. Ramchurn points to developments like Elon Musk’s Optimus humanoid robot, which made headlines serving drinks and mingling at a Tesla event, as an indicator that "like it or not – the robots are coming."
The critical task, Ramchurn argues, is to proactively shape this future rather than react to it. "We are trying to anticipate that future, before the big tech companies come in and deploy these things without asking us what we think about them," he states. This necessitates developing robust regulations and ethical frameworks now, to ensure that robots genuinely serve humanity, rather than the other way around. "We need to be ready for that future." The integration of robots into elder care is not merely a technological challenge but a societal one, demanding careful consideration of ethics, economics, and, ultimately, what it means to care.
George Anjay
Ramos Leo
Nakalama John
